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%% Copyright (c) 2019-2024 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
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%%     http://www.apache.org/licenses/LICENSE-2.0
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%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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%%--------------------------------------------------------------------

-type option(T) :: undefined | T.

-type startlink_ret() :: {ok, pid()} | ignore | {error, term()}.

-type ok_or_error(Reason) :: ok | {error, Reason}.

-type ok_or_error(Value, Reason) :: {ok, Value} | {error, Reason}.

-type mfargs() :: {module(), atom(), [term()]}.
